Home / 43,121,821.60-64,682,732.40-35,469,071.20

Finding the Fourth Proportional to 43,121,821.60, 64,682,732.40 and 35,469,071.20

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Solution

The fourth proportional to 43,121,821.60, 64,682,732.40 and 35,469,071.20 is: 53,203,606.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,121,821.60 : 64,682,732.40 = 35,469,071.20 : x
  2. Step 2: Convert to fraction form
    43,121,821.60/64,682,732.40 = 35,469,071.20/x
  3. Step 3: Cross multiply
    43,121,821.60x = 64,682,732.40 × 35,469,071.20
  4. Step 4: Simplify right side
    43,121,821.60x = 2,294,236,440,906,147
  5. Step 5: Solve for x
    x = 2,294,236,440,906,147/43,121,821.60
  6. Step 6: Final answer
    x = 53,203,606.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.